Electronic Throttle Control System - Lexus 2003 LS Owner's Manual

ELECTRONIC THROTTLE
CONTROL SYSTEM
The electronic throttle control system always maintains
appropriate engine output in relation to the accelerator
opening in all driving conditions.
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1 Power position
2 Normal position
3 Snow position
The electronic throttle control system has 3 modes:
Normal, Power and Snow modes.
Normal mode: For ordinary driving, Lexus recommends that
you use the normal mode to improve fuel economy.
Power mode: For more powerful acceleration and sporty
driving.
STARTING AND DRIVING
In the power mode, the "ECT PWR" light in the instrument
cluster is on and the transmission is shifted up at higher vehicle
speeds and shifted down more responsively than in the normal
mode.
To return to the normal mode, push the driving pattern selector
switch lightly on the "SNOW" side.
Snow mode: For slippery road surfaces such as in snow. In
this mode, the spinning of the rear wheels is controlled
appropriately.
When you push the driving pattern selector switch on the
"SNOW" side, the snow mode is turned on and the "ECT
SNOW" light in the instrument cluster comes on.
To return to the normal mode, push the driving pattern selector
switch on the "SNOW" side again.
When you turn the ignition switch off in the snow mode, the
mode automatically changes to the normal mode.
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